Janet W. Lee Rejoice, Marvel fans!Disney Plus unveiled a TV spot teasing its long-awaited superhero series “WandaVision.” The clip introduces an original theme song written by Oscar-winning songwriters Kristen Anderson-Lopez and Robert Lopez (“Frozen”), who wrote unique tunes for a series that spans from the 1950s to the early 2000s.“‘WandaVision’ is such a cool, strange, one-of-a-kind project,” said Lopez.